Recombinant Human CD28 Protein (19-152), 6×His-tagged
Product Description
Cat
IMP-9223
Official Symbol
CD28
Product Overview
Human CD28 (NP_006130.1, 19 a.a.-152 a.a.) partial recombinant protein with a 6×His tag at the C-terminus expressed in HEK293 cells
Description
CD28 costimulation is essential for CD4-positive T-cell proliferation, survival, interleukin-2 (IL2) production, and T-helper type-2 (Th2) development.
Expression System
HEK293
Species
Human
Tag
6×His
Form
Lyophilized from a 0.22 μM filtered solution of PBS, pH 7.4.
Protein length
19-152
Endotoxin
< 0.1 EU/μg of protein (determined by LAL method)
Purity
> 97% by SDS-PAGE
Applications
Immunogen; SDS-PAGE
Storage
Store at -80 centigrade on dry atmosphere, lyophilized antibodies are stable at least 2 years. After reconstitution with deionized water, store at -20 centigrade or lower. Aliquot to avoid repeated freezing and thawing.
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